Plant Structure
What is the source of free energy (ΔG) for moving protons out of mitochondria against their concentration and electrical gradients?

ATP
Creatine phosphate
Glycolysis
The redox reactions of electron transport

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Plant Structure
Cellular metabolism is an example of

equilibrium metabolism
steady-state metabolism
a series of reactions occurring under standard conditions
a series of reactions that defy the second law of thermodynamics

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Plant Structure
Which is not true about a photon?

It donates electron to reduce carbon dioxide to glucose
The shorter the wavelength, the greater the energy of the photons
It is trapped by photosynthetic unit
It is a packet of light energy

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Plant Structure
The mitochondria were known in the nineteenth century to be osmotically active on the basis of evidence that

mitochondria were derived from a symbiotic bacterium
mitochondria are surrounded by a semi permeable membrane
the mitochondrial matrix is hypotonic to the cellular cytoplasm
the mitochondrial matrix is hypertonic to the cellular cytoplasm

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